Preheat oven to 350 degrees F. Grease a cookie sheet. In a large bowl, beat sugar, pumpkin, oil and vanilla until blended. Combine flour, baking powder, soda, salt and spices; stir into sugar mixture. Stir in raisins and nuts. Drop by rounded teaspoons 2 inches apart onto cookie sheets. Bake 12-15 minutes until set. Remove to a rack to cool. Yields 7 dozen.